{"id":8696,"date":"2017-12-08T08:14:35","date_gmt":"2017-12-08T07:14:35","guid":{"rendered":"http:\/\/arumel.com\/limpiar-cabeceras-asm-disks\/"},"modified":"2017-12-10T10:03:49","modified_gmt":"2017-12-10T09:03:49","slug":"cleaning-headers-asm-disks","status":"publish","type":"post","link":"https:\/\/arumel.com\/en\/cleaning-headers-asm-disks\/","title":{"rendered":"cleaning headers asm disks"},"content":{"rendered":"<h1>How to clean the ASM disks&#8217; headers<\/h1>\n<p>&nbsp;<\/p>\n<blockquote>\n<h6 class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"error\"><em><strong>$ORACLE_HOME\/bin\/asmcmd afd_label PEPITO \/dev\/mapper\/PEPITOp1 &#8211;init <\/strong><\/em><\/h6>\n<h6 class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"error\"><em><strong>disk \/dev\/mapper\/PEPITOp1 is already provisioned for ASM<\/strong><\/em><\/h6>\n<\/blockquote>\n<p>&nbsp;<\/p>\n<p>Recently, we were preparing an installation Grid Infrastructure 12.2, and we had already ready the disks with AFD for the later installation but in that moment, they had to change the machines between sites and turn them off for moving them.<\/p>\n<p>The previous configuration was:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false show-plain-default:true lang:default decode:true\" title=\"afd --init\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done<\/pre>\n<p>&nbsp;<\/p>\n<p>You could see the disks in:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono show-plain-default:true lang:default decode:true \" title=\"disks afd --init\">[root@ctbl109 bin]# cd \/dev\/oracleafd\/disks\/\r\n\r\n[root@ctbl109 disks]# ls\r\n\r\nPROADMIN101P1 PROCONTREDO101P1 PRODATADB101P1 PROFRA101P1 PROFRA203P1 PROVOTOCR101P1\r\n\r\nPROADMIN102P1 PROCONTREDO102P1 PRODATADB102P1 PROFRA102P1 PROFRA204P1 PROVOTOCR102P1\r\n\r\nPROADMIN103P1 PROCONTREDO103P1 PRODATADB103P1 PROFRA103P1 PROFRA205P1 PROVOTOCR201P1\r\n\r\nPROADMIN104P1 PROCONTREDO104P1 PRODATADB104P1 PROFRA104P1 PROFRA206P1 PROVOTOCR202P1\r\n\r\nPROADMIN201P1 PROCONTREDO201P1 PRODATADB201P1 PROFRA105P1 PROMGTDB101P1\r\n\r\nPROADMIN202P1 PROCONTREDO202P1 PRODATADB202P1 PROFRA106P1 PROMGTDB102P1\r\n\r\nPROADMIN203P1 PROCONTREDO203P1 PRODATADB203P1 PROFRA201P1 PROMGTDB201P1\r\n\r\nPROADMIN204P1 PROCONTREDO204P1 PRODATADB204P1 PROFRA202P1 PROMGTDB202P1\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>We lost the disks once turn the machines on:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"afd without disks\">[root@ctbl109 bin]# cd \/dev\/oracleafd\/disks\/\r\n\r\n[root@ctbl109 disks]# ls\r\n\r\ntotal 0\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>if we tried labeled again, we received that disk is already provisioned:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"already provisioned for ASM\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done\r\n\r\ndisk \/dev\/mapper\/PROADMIN101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA105p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA106p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA205p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA206p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR202p1 is already provisioned for ASM\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>but the disks weren&#8217;t in the path <span style=\"color: #0000ff\"><span style=\"font-family: DejaVu Sans Mono, sans-serif\"><span style=\"font-size: xx-small\">\/dev\/oracleafd\/disks<\/span><\/span><\/span>.<\/p>\n<p>So we tried to unlabel and label the disks again but the problem was the same:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"afd unlabel label\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_unlabel \/dev\/mapper\/$disco; done\r\n\r\n[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done\r\n\r\n[root@ctbl109 bin]# cd \/dev\/oracleafd\/disks\/\r\n\r\n[root@ctbl109 disks]# ls\r\n\r\ntotal 0<\/pre>\n<p>&nbsp;<\/p>\n<p>We even tried to partition the disks again, but as it was the same configuration with de partition table, the disk&#8217;s header permained equal:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"repartitioning\">[root@ctbl109 mapper]# for disco in `ls -1 \/dev\/mapper\/PRO* | grep -E -v \"*1$\"`; do echo -e \"o\\nn\\np\\n1\\n\\n\\nw\" | fdisk $disco; done<\/pre>\n<p>&nbsp;<\/p>\n<p>We checked the information in the header:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"headers\">[root@ctbl109 mapper]# od -c -N 64 \/dev\/mapper\/PROADMIN101p1\r\n\r\n0000000 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 p y 037 {\r\n\r\n0000020 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0\r\n\r\n0000040 O R C L D I S K P R O A D M I N\r\n\r\n0000060 1 0 1 P 1 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0\r\n\r\n0000100<\/pre>\n<p>&nbsp;<\/p>\n<p>Then we decided to test with one of the disks, cleaned its header:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"cleaning header\">[root@ctbl109 mapper]# dd if=\/dev\/zero of=\/dev\/mapper\/PROADMIN101p1 bs=4k count=1024\r\n\r\n1024+0 registros le\u00eddos\r\n\r\n1024+0 registros escritos\r\n\r\n4194304 bytes (4,2 MB) copiados, 0,0139357 s, 301 MB\/s\r\n\r\n\r\n[root@ctbl109 mapper]# od -c -N 64 \/dev\/mapper\/PROADMIN101p1\r\n\r\n0000000 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0\r\n\r\n*\r\n\r\n0000100<\/pre>\n<p>&nbsp;<\/p>\n<p>So we cleaned all:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"cleaning headers\">[root@ctbl109 mapper]# for disco in `ls *PRO* `; do dd if=\/dev\/zero of=\/dev\/mapper\/$disco bs=4k count=1024; done<\/pre>\n<p>&nbsp;<\/p>\n<p>and reconfigured the disks again:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"afd --init\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done<\/pre>\n<p>&nbsp;<\/p>\n<p>Now, you could see the disks in the correct path:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"list disks afd --init\">[root@ctbl109 mapper]# ls \/dev\/oracleafd\/disks\/\r\n\r\nPROADMIN101P1 PROCONTREDO104P1 PRODATADB203P1 PROFRA204P1\r\n\r\nPROADMIN102P1 PROCONTREDO201P1 PRODATADB204P1 PROFRA205P1\r\n\r\nPROADMIN103P1 PROCONTREDO202P1 PROFRA101P1 PROFRA206P1\r\n\r\nPROADMIN104P1 PROCONTREDO203P1 PROFRA102P1 PROMGTDB101P1\r\n\r\nPROADMIN201P1 PROCONTREDO204P1 PROFRA103P1 PROMGTDB102P1\r\n\r\nPROADMIN202P1 PRODATADB101P1 PROFRA104P1 PROMGTDB201P1\r\n\r\nPROADMIN203P1 PRODATADB102P1 PROFRA105P1 PROMGTDB202P1\r\n\r\nPROADMIN204P1 PRODATADB103P1 PROFRA106P1 PROVOTOCR101P1\r\n\r\nPROCONTREDO101P1 PRODATADB104P1 PROFRA201P1 PROVOTOCR102P1\r\n\r\nPROCONTREDO102P1 PRODATADB201P1 PROFRA202P1 PROVOTOCR201P1\r\n\r\nPROCONTREDO103P1 PRODATADB202P1 PROFRA203P1 PROVOTOCR202P1<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Adding value with <a href=\"http:\/\/www.arumel.com\">Arumel<\/a>!!<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>How to clean the ASM disks&#8217; headers &nbsp; $ORACLE_HOME\/bin\/asmcmd afd_label PEPITO \/dev\/mapper\/PEPITOp1 &#8211;init disk \/dev\/mapper\/PEPITOp1 is already provisioned for ASM &nbsp; Recently, we were preparing an installation Grid Infrastructure 12.2, and we had already ready the disks with AFD for the later installation but in that moment, they had to change the machines between sites [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":7827,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[76],"tags":[253,139,232,257,255,193,258,254],"class_list":["post-8696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oracle-en","tag-init","tag-12-2","tag-afd-en","tag-afd_label","tag-disk","tag-grid-en","tag-header","tag-is-already-provisioned-for-asm"],"yoast_head":"<!-- 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